package com.hundsun.fmbp.deploy.utils;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Properties;

@SuppressWarnings("rawtypes")
public class IniReader {
    protected HashMap sections = new HashMap();
    private transient String currentSecion;
    private transient Properties current;

    /**
     * 构造函数
     * 
     * @param filename
     * @throws IOException
     */
    public IniReader(String filename) throws IOException {
        BufferedReader reader = new BufferedReader(new FileReader(filename));
        read(reader);
        reader.close();
    }

    public IniReader(File file) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), "GBK"));
        read(reader);
        reader.close();
    }

    /**
     * 读取文件
     * 
     * @param reader
     * @throws IOException
     */
    protected void read(BufferedReader reader) throws IOException {
        String line;
        while ((line = reader.readLine()) != null) {
            parseLine(line);
        }
    }

    /**
     * 解析配置文件行
     * 
     * @param line
     */
    @SuppressWarnings("unchecked")
    protected void parseLine(String line) {
        line = line.trim();
        if (line.matches("\\[.*\\]") && line.startsWith("[") && line.endsWith("]")) {
            currentSecion = line.replaceFirst("\\[(.*)\\]", "$1");
            current = new Properties();
            sections.put(currentSecion, current);
        } else if (line.matches(".*=.*")) {
            if (current != null) {
                int i = line.indexOf('=');
                String name = line.substring(0, i);
                String value = line.substring(i + 1);
                current.setProperty(name, value);
            }
        }
    }

    /**
     * 获取值
     * 
     * @param section
     * @param name
     * @return
     */
    public String getValue(String section, String name) {
        Properties p = (Properties) sections.get(section);
        if (p == null) {
            return null;
        }
        String value = p.getProperty(name);
        return value;
    }

    /**
     * 是否包含key
     * 
     * @param section
     * @param name
     * @return
     */
    public boolean containsKey(String section, String key) {
        Properties p = (Properties) sections.get(section);
        return p.containsKey(key);
    }
}